<template>
<div>
  <!--面包屑导航-->
  <el-breadcrumb separator="/">
    <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
    <el-breadcrumb-item><a href="/rights">商品管理</a></el-breadcrumb-item>
    <el-breadcrumb-item>商品列表</el-breadcrumb-item>
  </el-breadcrumb>
  <!--卡片视图-->
  <el-card>
    <el-row :gutter="20">
      <el-col :span="8">
        <el-input v-model="queryInfo.query" placeholder="请输入内容" clearable @clear="getGoodsList">
          <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
        </el-input>
      </el-col>
      <el-col :span="4">
        <el-button type="primary" @click="goAddpage">添加商品</el-button>
      </el-col>
    </el-row>

    <!--table表格区域-->
    <el-table :data="GoodsList" border stripe>
      <el-table-column type="index" label="编号"></el-table-column>
      <el-table-column label="商品名称" prop="goods_name"></el-table-column>
      <el-table-column label="商品价格(元)" width="90px" prop="goods_price"></el-table-column>
      <el-table-column label="商品重量" width="70px" prop="goods_weight"></el-table-column>
      <el-table-column label="创建时间" width="140px" prop="add_time">
        <template slot-scope="scope">
          {{scope.row.add_time | dateFormat}}
        </template>
      </el-table-column>
      <el-table-column label="操作" width="130px">
        <template slot-scope="scope">
          <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
          <el-button type="danger" icon="el-icon-delete" @click="removeById(scope.row.goods_id)" size="mini"></el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--分页区域-->
    <el-pagination background @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="400">
    </el-pagination>
  </el-card>
</div>
</template>

<script>
export default {
  name: 'List',
  data() {
    return {
      //查询商品参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      //商品列表
      GoodsList: [],
      //总数据条数
      total: 0
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    //根据分页获取对应的商品列表
    getGoodsList() {
      this.$http.get('goods', {
        params: this.queryInfo
      }).then(res => {
        if (res.data.meta.status !== 200) {
          return this.$message.error('获取商品数据失败！')
        }
        this.$message.success('获取列表成功！')
        this.GoodsList = res.data.data.goods
        this.total = res.data.data.total
        console.log(res.data.data)
      })
    },
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    //删除商品
    removeById(id) {
      this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {

        //发送删除请求
        this.$http.delete(`goods/${id}`).then(res => {
          if (res.data.meta.status !== 200) {
            return this.$message.error('删除失败')
          }
        })
        this.$message({
          type: 'success',
          message: '删除成功!'
        });
        this.getGoodsList()
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        });
      });
    },
    //添加商品
    goAddpage() {
      this.$router.push('/goods/add')
    }
  },
}
</script>

<style lang="less" scoped>

</style>
